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作业:求算式 0.25*1396.12*(1+453.5)^2*((1-453.5)-160/1600)+0.5*1396.12*sin12.826 的值.
题型:数学计算
解:
0.25*1396.12*(1+453.5)^2*((1-453.5)-160/1600)+0.5*1396.12*sin12.826
=0.25*1396.12*454.5^2*((1-453.5)-160/1600)+0.5*1396.12*sin12.826
=0.25*1396.12*454.5^2*((-452.5)-160/1600)+0.5*1396.12*sin12.826
=0.25*1396.12*454.5^2*(-452.6)+0.5*1396.12*sin12.826
=0.25*1396.12*454.5^2*-452.6+0.5*1396.12*0.256722
=0.25*1396.12*206570.25*(-452.6)+0.5*1396.12*0.256722
=349.03*206570.25*(-452.6)+0.5*1396.12*0.256722
=72099214.3575*(-452.6)+0.5*1396.12*0.256722
=(-32632104418.204502)+0.5*1396.12*0.256722
=-32632104418.204502+698.06*0.256722
=-32632104418.204502+179.207359
=-32632104238.997143 答案:0.25*1396.12*(1+453.5)^2*((1-453.5)-160/1600)+0.5*1396.12*sin12.826=-32632104238.997143 注:弧度制你的问题在这里没有得到解决?请到 热门难题 里面看看吧!